45021752 has 8 divisors (see below), whose sum is σ = 84415800. Its totient is φ = 22510872.

The previous prime is 45021749. The next prime is 45021793. The reversal of 45021752 is 25712054.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813852 + ... + 2813867.

It is an arithmetic number, because the mean of its divisors is an integer number (10551975).

Almost surely, 2^45021752 is an apocalyptic number.

It is an amenable number.

45021752 is a deficient number, since it is larger than the sum of its proper divisors (39394048).

45021752 is a wasteful number, since it uses less digits than its factorization.

45021752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627725 (or 5627721 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 45021752 is about 6709.8250349767. The cubic root of 45021752 is about 355.7466319899.

The spelling of 45021752 in words is "forty-five million, twenty-one thousand, seven hundred fifty-two".